<h2>HEROES</h2>
<ul class="items">
    <li *ngFor="let hero of heroes | async" (click)="onSelect(hero)" [class.selected]="isSelected(hero)">
        <span class="badge">{{ hero.id }}</span> {{ hero.name }}
    </li>
</ul>

<button routerLink="/sidekicks">Go to sidekicks</button>